RACHEL ANNE WARBY D.O.
NPI 1407173081
Emergency Medicine in Grand Blanc, MI
About Rachel Anne Warby D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RACHEL ANNE WARBY D.O. (NPI 1407173081) is an individual emergency medicine provider in Grand Blanc, Michigan, licensed in Michigan (5101018594) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare, and is a graduate of Michigan State University College Of Osteopathic Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rachel Anne Warby D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Rachel Warby reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Blanc, MI 48439
- Reassigned Medicare billing, Michigan enrollment
- 41 clinicians in this Medicare group
Grand Blanc, MI 48439
- Reassigned Medicare billing, Michigan enrollment
- 43 clinicians in this Medicare group
Burton, MI 48509
- Reassigned Medicare billing, Michigan enrollment
- 416 clinicians in this Medicare group
Flushing, MI 48433
- Reassigned Medicare billing, Michigan enrollment
- 328 clinicians in this Medicare group
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 295 clinicians in this Medicare group
Cadillac, MI 49601
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Caberfae Emergency Group PC
- 92 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Healthcare
Acute Care Hospitals · Owosso, MIAscension Genesys Hospital
Acute Care Hospitals · Grand Blanc, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rachel Warby's NPI number?
The NPI number for Rachel Warby is 1407173081. It was assigned to this individual provider in the NPPES registry on April 22, 2010. The provider is also known as Rachel Anne Freed D.O..
Where is Rachel Warby located?
Rachel Warby practices at 1 Genesys Pkwy Medical Education, Grand Blanc, MI 48439. The listed phone number is (810) 606-5980.
What is Rachel Warby's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Rachel Warby enrolled in Medicare?
Yes. Rachel Warby is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rachel Warby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Warby reassigns Medicare benefits to 6 organizations: Emergency Medicine Physicians Of Genesee County, PLLC (Grand Blanc, MI), Observation Medicine Group PLLC (Grand Blanc, MI), Mclaren Medical Group (Burton, MI), Memorial Hospital (Flushing, MI), Degara App, PLLC (Lansing, MI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rachel Warby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rachel Warby accept?
Health plans from Priority Health list Rachel Warby as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Rachel Warby affiliated with any hospitals?
According to CMS data, Rachel Warby is affiliated with Memorial Healthcare and Ascension Genesys Hospital.
When was this NPI record last updated?
The NPPES record for Rachel Warby was last updated on April 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Rachel Anne Warby, D.O. · NPI 1407173081
Emergency Medicine physician in Grand Blanc, Michigan. Individual provider, active in the CMS NPPES registry since April 22, 2010.
## Identity
- **NPI:** 1407173081 (Entity type: Individual)
- **Enumerated:** April 22, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101018594 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 GENESYS PKWY, MEDICAL EDUCATION, Grand Blanc, MI 48439-8065
- **Phone:** (810) 606-5980 · **Fax:** (810) 606-5990
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Physicians Of Genesee County, PLLC (NPI 1275899171, Grand Blanc, MI); Observation Medicine Group PLLC (NPI 1194084111, Grand Blanc, MI); Mclaren Medical Group (NPI 1659418663, Burton, MI); Memorial Hospital (NPI 1144428202, Flushing, MI); Degara App, PLLC (NPI 1265976971, Lansing, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2010
## Record status
- **NPPES last updated:** April 25, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1407173081) · Data from the CMS NPPES public registry.